Python Turtle Graphic Design #8

 Python Turtle Graphic Design #8

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Source code:

import turtle as t

import colorsys as cs

t.setup(640,640)

t.bgcolor('black')

t.tracer(100)

t.hideturtle()

N = 5

A = 360/N

t.lt(45)

for i in range(360,0,-1):

    h = (i % N)/N

    l = i/720

    s = 0.5+ i / 720

    t.color(cs.hls_to_rgb(h,l,s))

    t.begin_fill()

    t.circle(i/2,90)

    t.lt(90)

    t.circle(i/2,90)

    t.end_fill()

    t.lt(90+A-0.1)

t.done()